Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1990-02-02
1991-10-08
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Pipeless valves
188358, 303114, 303119, B60T 832
Patent
active
050548603
ABSTRACT:
A hydraulic braking system for an automotive vehicle is provided with a power source for generating a hydraulic power pressure, a master cylinder, a hydraulic booster for introducing the hydraulic power pressure and actuating the master cylinder in response to operation of a brake operating member, a wheel brake cylinder for braking a road wheel, a changeover valve, and anti-skid control device for actuating the changeover valve into a position where the wheel brake cylinder is communicated with the booster and regulating the hydraulic pressure in the wheel brake cylinder on the basis of the hydraulic power pressure in the booster when the road wheel is in a slip condition. The hydraulic braking system includes a failure detecting feature for producing a power pressure failure signal when the hydraulic power pressure in the booster is lower than the master cylinder pressure by at least a predetermined value, an anti-skid prohibiting device for prohibiting the anti-skid control operation in accordance with the failure signal, and a detection preventing feature for preventing the failure detecting features from producing the failure signal when the hydraulic power pressure in the booster exceeds a predetermined pressure which is lower than a limit pressure for boosting operation of the booster.
REFERENCES:
patent: 4415210 (1983-11-01), Belart et al.
patent: 4641895 (1987-02-01), Belart et al.
patent: 4718737 (1988-01-01), Bach et al.
patent: 4754605 (1988-07-01), Seibert et al.
patent: 4758054 (1988-07-01), Brown
patent: 4810042 (1989-03-01), Kono et al.
patent: 4848853 (1989-07-01), Mizuno et al.
patent: 4859004 (1989-08-01), Nishii
patent: 4874207 (1989-10-01), Nishii et al.
patent: 4887869 (1989-12-01), Nishii et al.
patent: 4895416 (1990-01-01), Tozu et al.
patent: 4902075 (1990-02-01), Uno et al.
Kato Masahiko
Nishii Michiharu
Nomura Yoshihisa
Aisin Seiki Kabushiki Kaisha
Butler Douglas C.
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